def get_case(field_type, values):
""" Determines the case of a list or dictionary of values.
Args:
- type: if not == 'string', will return 'n/a'
- values: could be either dictionary or list. If it's a list, then
it will only examine the keys.
Returns:
- one of: 'mixed','lower','upper','unknown'
Misc notes:
- "unknown values" are ignored
- empty values list/dict results in 'unknown' result
To do:
- add consistency factor
Test coverage:
- complete, via test harness
"""
freq = collections.defaultdict(int)
case = None
if field_type != 'string':
return 'n/a'
# count occurances of each case field_type in values:
for key in values:
if typer.is_unknown(key):
freq['unk'] += 1
elif typer.is_integer(key): # will be ignoring these
freq['number'] += 1
elif typer.is_float(key): # will be ignoring these
freq['number'] += 1
elif key.islower():
freq['lower'] += 1
elif key.isupper():
freq['upper'] += 1
else:
freq['mixed'] += 1
# evaluate frequency distribution:
if 'mixed' in freq:
case = 'mixed'
elif ('lower' in freq and 'upper' not in freq):
case = 'lower'
elif ('lower' not in freq and 'upper' in freq):
case = 'upper'
elif ('lower' in freq and 'upper' in freq):
case = 'mixed'
else:
case = 'unknown'
return case
def get_case(field_type, values):
""" Determines the case of a list or dictionary of values.
Args:
- type: if not == 'string', will return 'n/a'
- values: could be either dictionary or list. If it's a list, then
it will only examine the keys.
Returns:
- one of: 'mixed','lower','upper','unknown'
Misc notes:
- "unknown values" are ignored
- empty values list/dict results in 'unknown' result
To do:
- add consistency factor
Test coverage:
- complete, via test harness
"""
freq = collections.defaultdict(int)
case = None
if field_type != 'string':
return 'n/a'
# count occurances of each case field_type in values:
for key in values:
if typer.is_unknown(key):
freq['unk'] += 1
elif typer.is_integer(key): # will be ignoring these
freq['number'] += 1
elif typer.is_float(key): # will be ignoring these
freq['number'] += 1
elif key.islower():
freq['lower'] += 1
elif key.isupper():
freq['upper'] += 1
else:
freq['mixed'] += 1
# evaluate frequency distribution:
if 'mixed' in freq:
case = 'mixed'
def test_type_b01_is_float(self):
assert(mod.is_float('33.22') is True)
assert(mod.is_float(44.55) is True)
assert(mod.is_float(3) is False)
assert(mod.is_float(0.0) is False)
assert(mod.is_float(0) is False)
assert(mod.is_float('b') is False)
assert(mod.is_float('') is False)
assert(mod.is_float(' ') is False)
assert(mod.is_float('$3') is False)
assert(mod.is_float('4,333.22') is False)
assert(mod.is_float('3') is False)
assert(mod.is_float('-3') is False)
assert(mod.is_float(None) is False)
def test_type_b01_is_float(self):
assert (mod.is_float('33.22') is True)
assert (mod.is_float(44.55) is True)
assert (mod.is_float(3) is False)
assert (mod.is_float(0.0) is False)
assert (mod.is_float(0) is False)
assert (mod.is_float('b') is False)
assert (mod.is_float('') is False)
assert (mod.is_float(' ') is False)
assert (mod.is_float('$3') is False)
assert (mod.is_float('4,333.22') is False)
assert (mod.is_float('3') is False)
assert (mod.is_float('-3') is False)
assert (mod.is_float(None) is False)
def test_is_float_basics(self):
assert mod.is_float('33.22')
assert mod.is_float(44.55)
assert mod.is_float(3) is False
assert mod.is_float(0.0) is False
assert mod.is_float(0) is False
assert mod.is_float('b') is False
assert mod.is_float('') is False
assert mod.is_float(' ') is False
assert mod.is_float('$3') is False
assert mod.is_float('4,333.22') is False
assert mod.is_float('3') is False
assert mod.is_float('-3') is False
assert mod.is_float(None) is False
def test_is_float_basics(self):
assert mod.is_float("33.22")
assert mod.is_float(44.55)
assert mod.is_float(3) is False
assert mod.is_float(0.0) is False
assert mod.is_float(0) is False
assert mod.is_float("b") is False
assert mod.is_float("") is False
assert mod.is_float(" ") is False
assert mod.is_float("$3") is False
assert mod.is_float("4,333.22") is False
assert mod.is_float("3") is False
assert mod.is_float("-3") is False
assert mod.is_float(None) is False
